A cartridge (20) comprising a liquid supply structure (280), electrically conductive terminals (400) and a first restriction portion (210). The contact portions of the electrically conductive terminals (400) are arranged in a contact portion plane which is neither parallel nor perpendicular to a plane defined by a mounting direction leading edge of the ink supply structure (280). The first restriction portion (210) is provided at a position located closer to the contact portion plane than to top (202) of the cartridge (20).